Speaker



FIG. 1 is a perspective view of a first example of a speaker as seen from the front, top, and right side;

FIG. 2 is a front view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a back view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a top end view thereof;

FIG. 7 is a bottom end view thereof;

FIG. 8 is a perspective view of a second example of a speaker as seen from the front, top, and right side;

FIG. 9 is a front view thereof;

FIG. 10 is a right side view thereof;

FIG. 11 is a back view thereof;

FIG. 12 is a left side view thereof;

FIG. 13 is a top end view thereof;

FIG. 14 is a bottom end view thereof;

FIG. 15 is a perspective view of a third example of a speaker as seen from the front, top, and right side;

FIG. 16 is a front view thereof;

FIG. 17 is a right side view thereof;

FIG. 18 is a back view thereof;

FIG. 19 is a left side view thereof;

FIG. 20 is a top end view thereof; and,

FIG. 21 is a bottom end view thereof. 

CLAIM The ornamental design for a speaker, substantially as shown and described. 